Method and router for IPv4 network host access to IPv6 network host
A network host and ipv6 network technology, applied in the field of communication, can solve the problems of complex IPv4 addresses and IPv6 addresses, cannot be realized, and there is no one-to-one correspondence, and achieve simple configuration, easy implementation, and simple message address conversion process Effect
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[0018] The invention provides a method for an IPv4 network host to access an IPv6 network host by adding a prefix through NAT-PT. By configuring a command to add a prefix on a routing device that enables NAT-PT, the IPv4 network host can pass through NAT-PT and domain name system. - When the application layer gateway (DNS-ALG) function initiates access to the IPv6 network, the source address of the IPv4 message is obtained by adding a prefix to the IPv6 address, so that the source address of the IPv4 message can be known in advance after NAT-PT conversion. purpose of the IPv6 address.
[0019] Wherein, the method for converting an IPv4 address into an IPv6 address applied in the present invention is simple and efficient in configuration, and is a completely transparent process for users. If the router supports the NAT-PT function and the DNS-ALG function, then the host in the IPv4 network can initiate access to the IPv6 network through the router.
[0020] The main idea of ...
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